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    • 154. 发明授权
    • Method and system for optimizing uploading of location data for location based services
    • 用于优化上位地点数据的方法和系统,用于基于位置的服务
    • US09020522B2
    • 2015-04-28
    • US12732874
    • 2010-03-26
    • Dave MurrayCharles AbrahamMark BuerDavid GarrettJeyhan KaraoguzDavid Lundgren
    • Dave MurrayCharles AbrahamMark BuerDavid GarrettJeyhan KaraoguzDavid Lundgren
    • H04W24/00H04W4/02
    • H04W4/02
    • A mobile device may be operable to collect location data for a RF node and cache the collected location data in the mobile device. Resources that may be utilized for improving the uploading of the cached location data to a location server may be determined by the mobile device. The cached location data may be communicated, to the location server for updating a location database, by the mobile device utilizing the determined resources. The mobile device may determine and utilize an opportunistic transport based on a data usage and/or an access. The mobile device may store a subset of the location database locally for comparing with the cached location data for redundancy. The compared location data may be transmitted by the mobile device to the location server for updating the location database if the compared location data are not redundant data.
    • 移动设备可以用于收集RF节点的位置数据,并且将收集的位置数据缓存在移动设备中。 可用于改进缓存的位置数据上传到位置服务器的资源可以由移动设备确定。 缓存的位置数据可以由移动设备利用确定的资源传送到位置服务器以更新位置数据库。 移动设备可以基于数据使用和/或访问来确定和利用机会性传输。 移动设备可以本地存储位置数据库的子集,以便与用于冗余的高速缓存的位置数据进行比较。 如果所比较的位置数据不是冗余数据,则比较的位置数据可以由移动设备发送到位置服务器以更新位置数据库。
    • 156. 发明授权
    • Method and system for characterizing location and/or range based on transmit power
    • 基于发射功率来表征位置和/或范围的方法和系统
    • US08958815B2
    • 2015-02-17
    • US12732922
    • 2010-03-26
    • Mark BuerCharles AbrahamDavid GarrettJeyhan KaraoguzDavid LundgrenDavid Murray
    • Mark BuerCharles AbrahamDavid GarrettJeyhan KaraoguzDavid LundgrenDavid Murray
    • H04W64/00G01S5/12G01S11/08
    • H04W64/00G01S5/12G01S11/06G01S11/08H04W4/02H04W12/06H04W48/04H04W52/283
    • A transmitting communication device may iteratively adjust its transmit power, and may estimate, based on iterative transmit power adjustment, relative location of a receiving communication device. The transmit power may be initialized to a maximum value, and the transmit power may be iteratively reduced until connectivity with the receiving communication device is lost. The loss of connectivity may be determined based on reception of responses to ping messages transmitted by the transmitting communication device. The transmitting communication device may authenticate the receiving communication device and/or a user of the receiving communication device. The authentication may comprises utilizing transmit power adjustment and/or relative location estimation therefrom to ensure that a separation between the devices does not exceed a maximum value. The transmitting communication device may generate location info associated with the receiving communication device based on the relative location estimation, and may communicate the location info to a location server.
    • 发射通信设备可以迭代地调整其发射功率,并且可以基于迭代发射功率调整来估计接收通信设备的相对位置。 发射功率可以被初始化为最大值,并且可以迭代地减少发射功率,直到与接收通信设备的连接丢失。 可以基于对由发送通信设备发送的ping消息的响应的接收来确定连接性的损失。 发送通信设备可以认证接收通信设备和/或接收通信设备的用户。 认证可以包括利用传输功率调整和/或相对位置估计来确保设备之间的间隔不超过最大值。 发送通信设备可以基于相对位置估计生成与接收通信设备相关联的位置信息,并且可以将位置信息传送到位置服务器。